| article html file updated | 16 August 2026 23:31 CEST | Update | https://www.mdpi.com/2312-7481/6/1/3 |
| article html file updated | 31 August 2025 08:37 CEST | Update | N/A |
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| article pdf uploaded. | 1 February 2020 14:31 CET | Updated version of record | https://www.mdpi.com/2312-7481/6/1/3/pdf |
| article xml uploaded. | 1 February 2020 14:31 CET | Update | https://www.mdpi.com/2312-7481/6/1/3/xml |
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| article pdf uploaded. | 9 January 2020 17:12 CET | Version of Record | https://www.mdpi.com/2312-7481/6/1/3/pdf-vor |
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